![Page 1: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/1.jpg)
Copyright © 2006 by Monica Yuskaitis1
by Monica Yuskaitis, M.A.Ed.
Subtraction Mixed NumbersSubtraction Mixed Numbers55thth Grade Grade
![Page 2: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/2.jpg)
Copyright © 2006 by Monica Yuskaitis2
Objective
• To be able to subtract mixed numbers with regrouping.
![Page 3: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/3.jpg)
Copyright © 2006 by Monica Yuskaitis3
![Page 4: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/4.jpg)
Copyright © 2006 by Monica Yuskaitis4
To Subtract Mixed Numbers with Regrouping.
1) Regroup by borrowing one from the 5.
55
- 8
4 18
3
![Page 5: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/5.jpg)
Copyright © 2006 by Monica Yuskaitis5
To Subtract Mixed Numbers with Regrouping.
2) Change the 1 to 8/8.
55
- 8
4 18
88
3
![Page 6: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/6.jpg)
Copyright © 2006 by Monica Yuskaitis6
To Subtract Mixed Numberswith Regrouping.
3) Add the 1/8 plus the 8/8.
55
- 8
4 18
88+ = 9
8
3
![Page 7: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/7.jpg)
Copyright © 2006 by Monica Yuskaitis7
To Subtract Mixed Numbers withRegrouping.
4) Subtract the fractions.
55
- 8
4 18
88+ = 9
8
48
3
![Page 8: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/8.jpg)
Copyright © 2006 by Monica Yuskaitis8
To Subtract Mixed Numbers with Regrouping.
5) Subtract the whole numbers.
55
- 8
4 18
88+ = 9
8
48
3
1
![Page 9: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/9.jpg)
Copyright © 2006 by Monica Yuskaitis9
To Subtract Mixed Numbers with Regrouping.6) Simplify your fraction.
55
- 8
4 18
88+ = 9
8
48
3
1 ÷ 44 = 1
21
![Page 10: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/10.jpg)
Copyright © 2006 by Monica Yuskaitis10
Now you can do it!
297
49
679- =
![Page 11: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/11.jpg)
Copyright © 2006 by Monica Yuskaitis11
Subtract.
579-
Regroup byborrowing 1from the 5.
439
2
![Page 12: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/12.jpg)
Copyright © 2006 by Monica Yuskaitis12
Subtract.
579-
439
2
Changethe 1 to
9/9.
99
![Page 13: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/13.jpg)
Copyright © 2006 by Monica Yuskaitis13
Subtract.
579-
439
2
Add 3/9 +9/9.
99+ = 12
9
![Page 14: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/14.jpg)
Copyright © 2006 by Monica Yuskaitis14
Subtract.
579-
439
2
Subtract12/9 – 7/9.
99+ = 12
9
59
![Page 15: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/15.jpg)
Copyright © 2006 by Monica Yuskaitis15
Subtract.
579-
439
2
Subtract4 – 2.
99+ = 12
9
59
2
![Page 16: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/16.jpg)
Copyright © 2006 by Monica Yuskaitis16
Subtract.
645-
Regroup byborrowing 1from the 6.
515
1
![Page 17: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/17.jpg)
Copyright © 2006 by Monica Yuskaitis17
Subtract.
645-
515
1
Changethe 1 to
5/5.
55
![Page 18: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/18.jpg)
Copyright © 2006 by Monica Yuskaitis18
Subtract.
645-
515
1
Add 1/5 +5/5.
55+ = 6
5
![Page 19: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/19.jpg)
Copyright © 2006 by Monica Yuskaitis19
Subtract.
645-
515
1
Subtract6/5 – 4/5.
55+ = 6
5
25
![Page 20: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/20.jpg)
Copyright © 2006 by Monica Yuskaitis20
Subtract.
645-
515
1
Subtract5 – 1.
55+ = 6
5
25
4 Answer4 2/5
![Page 21: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/21.jpg)
Copyright © 2006 by Monica Yuskaitis21
Objective
• To be able to subtract mixed numbers with unlike denominators with regrouping.
![Page 22: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/22.jpg)
Copyright © 2006 by Monica Yuskaitis22
![Page 23: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/23.jpg)
Copyright © 2006 by Monica Yuskaitis23
To Subtract Mixed Numbers with Regrouping.
1) Find the LCD or LCM of the denominators.
53
- 4
18
3
8
8
![Page 24: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/24.jpg)
Copyright © 2006 by Monica Yuskaitis24
To Subtract Mixed Numbers with Regrouping.
2) Find the equivalent fractions with 8 as a denominator.
53
- 4
18
3
1868
x 1x 1x 2x 2
=
=
![Page 25: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/25.jpg)
Copyright © 2006 by Monica Yuskaitis25
To Subtract Mixed Numbers with Regrouping.
3) Regroup by borrowing one from the 5.
53
- 4
4 18
3
1868
=
=
![Page 26: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/26.jpg)
Copyright © 2006 by Monica Yuskaitis26
To Subtract Mixed Numbers with Regrouping.
4) Change the 1 to 8/8.
53
- 4
4 18
3
1868
=
=
88
![Page 27: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/27.jpg)
Copyright © 2006 by Monica Yuskaitis27
5) Add the 1/8 and 8/8 together.
53
- 4
4 18
3
1868
=
=
88+ = 9
8
To Subtract Mixed Numbers with Regrouping.
![Page 28: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/28.jpg)
Copyright © 2006 by Monica Yuskaitis28
To Subtract Mixed Numbers with Regrouping.
6) Subtract the fractions.
53
- 4
4 18
3
1868
=
=
88+ = 9
8
38
![Page 29: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/29.jpg)
Copyright © 2006 by Monica Yuskaitis29
To Subtract Mixed Numbers with Regrouping.
7) Subtract the whole numbers.
53
- 4
4 18
3
1868
=
=
88+ = 9
8
38
1
![Page 30: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/30.jpg)
Copyright © 2006 by Monica Yuskaitis30
Get your white boards out!
13
79
59- =5 4
![Page 31: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/31.jpg)
Copyright © 2006 by Monica Yuskaitis31
Subtract.
523-
Use the shortcut to find theleast commondenominator.
39
29
9
![Page 32: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/32.jpg)
Copyright © 2006 by Monica Yuskaitis32
Subtract.
523-
Find theequivalent
fractions with9 as a
denominator.
39
2
1133
x
x 39=69=
![Page 33: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/33.jpg)
Copyright © 2006 by Monica Yuskaitis33
Subtract.
523-
Regroup byborrowing 1from the 5.
39
2
1133
x
x 39=69=
4
![Page 34: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/34.jpg)
Copyright © 2006 by Monica Yuskaitis34
Subtract.
523-
Change the1 to a fraction
with 9 as a denominator.
39
2
3969
=
= 99
4
![Page 35: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/35.jpg)
Copyright © 2006 by Monica Yuskaitis35
Subtract.
523- Add 3/9 + 9/9.
39
2
3969
=
= 99+
4=12
9
![Page 36: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/36.jpg)
Copyright © 2006 by Monica Yuskaitis36
Subtract.
523- Subtract 12/9
minus 6/9.
39
2
3969
=
= 99+
4=12
9
69
![Page 37: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/37.jpg)
Copyright © 2006 by Monica Yuskaitis37
Subtract.
523- Subtract 4
minus 2.
39
2
3969
=
= 99+
4=12
9
69
2
![Page 38: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/38.jpg)
Copyright © 2006 by Monica Yuskaitis38
Subtract.
523-
Simplify yourfraction.
39
2
3969
=
= 99+
4=12
9
69
2 33
÷ = 23
![Page 39: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/39.jpg)
Copyright © 2006 by Monica Yuskaitis39
Subtract.
523-
Your answeris 2 2/3.
39
2
3969
=
= 99+
4=12
9
69
2 33
÷ = 23
![Page 40: Copyright © 2006 by Monica Yuskaitis 1 by Monica Yuskaitis, M.A.Ed. Subtraction Mixed Numbers 5 th Grade](https://reader030.vdocuments.site/reader030/viewer/2022032703/56649d005503460f949d19d1/html5/thumbnails/40.jpg)
Copyright © 2006 by Monica Yuskaitis40
Copyright Notice• This software is copyrighted. The software
may not be copied, reproduced, translated or reduced to any electronic medium without the prior written consent of Monica Yuskaitis ([email protected]). However, after you purchase it you may download it in your classroom to use for presentation purposes.
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Copyright © 2006 by Monica Yuskaitis41
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Written by Monica Yuskaitis
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